* Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten * Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten * Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten * Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten * Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten * Merged caca_show_cursor() and caca_hide_cursor() into caca_set_mouse() so
that we have one function less.
* Fixed coding style.
* Removed FUCKING TABS. ____.------.___
_______.----'`` ``` `` ``` ``-.
_.--' ` ```` ` ` ` ``` `` `` ``.
_.-' ' ` `` ``` `` ` `' `. _
.-'' ` H A H A H A `' M A I S \/.)
. . .-' / ` ` ` `` ||
|`-.(``-. ` ` ` ' ` ` ``` |\
`. '\```\ `` ` V I E U X ' ' `` `-`` -|\\
`/''````) `` ` - - ````` ' '.' |\_)
|`'_._` ``` ''` P O R C . . ```` /
// @) \ ` `` ''' . ``` '/
/''''' | ` \).`.'-. ''' _ _ .`` ` '/
.''''- `-'`. . // )-- '/,,',,' ,,,,''__,._`' ' /
.' ` `- ` ' .' / ' /,;;;, ,___.---' \ '' / \
(`. .'` __',`''''.--'/ ' /'-----' | ' / ))
`'-'/ `'''_.---' \;;|- '/ ,,, | ''|`- |
`'--'---' |;| / ,,,,;;;;;;;;;;,,,,, |-' /` |
|;|-'| ,;;;;;;;;;;;;;;;; ;;;/ /|`'''
''',,,''',,,,,,,,,,,,,,,' /,,'''
''''
18 vuotta sitten |
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- /*
- * libcaca Colour ASCII-Art library
- * Copyright (c) 2002-2009 Sam Hocevar <sam@hocevar.net>
- * 2007 Ben Wiley Sittler <bsittler@gmail.com>
- * All Rights Reserved
- *
- * $Id$
- *
- * This library is free software. It comes without any warranty, to
- * the extent permitted by applicable law. You can redistribute it
- * and/or modify it under the terms of the Do What The Fuck You Want
- * To Public License, Version 2, as published by Sam Hocevar. See
- * http://sam.zoy.org/wtfpl/COPYING for more details.
- */
-
- /*
- * This file contains the libcaca X11 input and output driver
- */
-
- #include "config.h"
-
- #if defined(USE_X11)
-
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include <X11/keysym.h>
- #if defined(HAVE_X11_XKBLIB_H)
- # include <X11/XKBlib.h>
- #endif
-
- #include <stdio.h> /* BUFSIZ */
- #include <stdlib.h>
- #include <string.h>
-
- #include "caca.h"
- #include "caca.h"
- #include "caca_internals.h"
-
- /*
- * Local functions
- */
- static int x11_error_handler(Display *, XErrorEvent *);
- static void x11_put_glyph(caca_display_t *, int, int, int, int, int,
- uint32_t, uint32_t);
-
- struct driver_private
- {
- Display *dpy;
- Window window;
- Pixmap pixmap;
- GC gc;
- long int event_mask;
- int font_width, font_height;
- int colors[4096];
- Font font;
- XFontStruct *font_struct;
- int font_offset;
- Cursor pointer;
- Atom wm_protocols;
- Atom wm_delete_window;
- #if defined(HAVE_X11_XKBLIB_H)
- Bool autorepeat;
- #endif
- uint32_t max_char;
- int cursor_flags;
- int dirty_cursor_x, dirty_cursor_y;
- };
-
- #define UNICODE_XLFD_SUFFIX "-iso10646-1"
- #define LATIN_1_XLFD_SUFFIX "-iso8859-1"
-
- static int x11_init_graphics(caca_display_t *dp)
- {
- Colormap colormap;
- XSetWindowAttributes x11_winattr;
- int (*old_error_handler)(Display *, XErrorEvent *);
- char const *fonts[] = { NULL, "8x13bold", "fixed" }, **parser;
- char const *geometry;
- int width = caca_get_canvas_width(dp->cv);
- int height = caca_get_canvas_height(dp->cv);
- int i;
-
- dp->drv.p = malloc(sizeof(struct driver_private));
-
- #if defined(HAVE_GETENV)
- geometry = getenv("CACA_GEOMETRY");
- if(geometry && *geometry)
- sscanf(geometry, "%ux%u", &width, &height);
- #endif
-
- caca_add_dirty_rect(dp->cv, 0, 0, dp->cv->width, dp->cv->height);
- dp->resize.allow = 1;
- caca_set_canvas_size(dp->cv, width ? width : 80, height ? height : 32);
- width = caca_get_canvas_width(dp->cv);
- height = caca_get_canvas_height(dp->cv);
- dp->resize.allow = 0;
-
- dp->drv.p->dpy = XOpenDisplay(NULL);
- if(dp->drv.p->dpy == NULL)
- return -1;
-
- #if defined(HAVE_GETENV)
- fonts[0] = getenv("CACA_FONT");
- if(fonts[0] && *fonts[0])
- parser = fonts;
- else
- #endif
- parser = fonts + 1;
-
- /* Ignore font errors */
- old_error_handler = XSetErrorHandler(x11_error_handler);
-
- /* Parse our font list */
- for( ; ; parser++)
- {
- uint32_t font_max_char;
-
- if(!*parser)
- {
- XSetErrorHandler(old_error_handler);
- XCloseDisplay(dp->drv.p->dpy);
- return -1;
- }
-
- dp->drv.p->font = XLoadFont(dp->drv.p->dpy, *parser);
- if(!dp->drv.p->font)
- continue;
-
- dp->drv.p->font_struct = XQueryFont(dp->drv.p->dpy, dp->drv.p->font);
- if(!dp->drv.p->font_struct)
- {
- XUnloadFont(dp->drv.p->dpy, dp->drv.p->font);
- continue;
- }
-
- if((strlen(*parser) > sizeof(UNICODE_XLFD_SUFFIX))
- && !strcasecmp(*parser + strlen(*parser)
- - strlen(UNICODE_XLFD_SUFFIX), UNICODE_XLFD_SUFFIX))
- dp->drv.p->max_char = 0xffff;
- else if((strlen(*parser) > sizeof(LATIN_1_XLFD_SUFFIX))
- && !strcasecmp(*parser + strlen(*parser)
- - strlen(LATIN_1_XLFD_SUFFIX), LATIN_1_XLFD_SUFFIX))
- dp->drv.p->max_char = 0xff;
- else
- dp->drv.p->max_char = 0x7f;
-
- font_max_char =
- (dp->drv.p->font_struct->max_byte1 << 8)
- | dp->drv.p->font_struct->max_char_or_byte2;
- if(font_max_char && (font_max_char < dp->drv.p->max_char))
- dp->drv.p->max_char = font_max_char;
-
- break;
- }
-
- /* Reset the default X11 error handler */
- XSetErrorHandler(old_error_handler);
-
- dp->drv.p->font_width = 0;
- if(dp->drv.p->font_struct->per_char
- && !dp->drv.p->font_struct->min_byte1
- && dp->drv.p->font_struct->min_char_or_byte2 <= 0x21
- && dp->drv.p->font_struct->max_char_or_byte2 >= 0x7e)
- {
- for(i = 0x21; i < 0x7f; i++)
- {
- int cw = dp->drv.p->font_struct->per_char[i
- - dp->drv.p->font_struct->min_char_or_byte2].width;
- if(cw > dp->drv.p->font_width)
- dp->drv.p->font_width = cw;
- }
- }
-
- if(!dp->drv.p->font_width)
- dp->drv.p->font_width = dp->drv.p->font_struct->max_bounds.width;
-
- dp->drv.p->font_height = dp->drv.p->font_struct->max_bounds.ascent
- + dp->drv.p->font_struct->max_bounds.descent;
- dp->drv.p->font_offset = dp->drv.p->font_struct->max_bounds.descent;
-
- colormap = DefaultColormap(dp->drv.p->dpy, DefaultScreen(dp->drv.p->dpy));
- for(i = 0x000; i < 0x1000; i++)
- {
- XColor color;
- color.red = ((i & 0xf00) >> 8) * 0x1111;
- color.green = ((i & 0x0f0) >> 4) * 0x1111;
- color.blue = (i & 0x00f) * 0x1111;
- XAllocColor(dp->drv.p->dpy, colormap, &color);
- dp->drv.p->colors[i] = color.pixel;
- }
-
- x11_winattr.backing_store = Always;
- x11_winattr.background_pixel = dp->drv.p->colors[0x000];
- x11_winattr.event_mask = ExposureMask | StructureNotifyMask;
-
- dp->drv.p->window =
- XCreateWindow(dp->drv.p->dpy, DefaultRootWindow(dp->drv.p->dpy), 0, 0,
- width * dp->drv.p->font_width,
- height * dp->drv.p->font_height,
- 0, 0, InputOutput, 0,
- CWBackingStore | CWBackPixel | CWEventMask,
- &x11_winattr);
-
- dp->drv.p->wm_protocols =
- XInternAtom(dp->drv.p->dpy, "WM_PROTOCOLS", True);
- dp->drv.p->wm_delete_window =
- XInternAtom(dp->drv.p->dpy, "WM_DELETE_WINDOW", True);
-
- if(dp->drv.p->wm_protocols != None && dp->drv.p->wm_delete_window != None)
- XSetWMProtocols(dp->drv.p->dpy, dp->drv.p->window,
- &dp->drv.p->wm_delete_window, 1);
-
- XStoreName(dp->drv.p->dpy, dp->drv.p->window, "caca for X");
-
- XSelectInput(dp->drv.p->dpy, dp->drv.p->window, StructureNotifyMask);
- XMapWindow(dp->drv.p->dpy, dp->drv.p->window);
-
- dp->drv.p->gc = XCreateGC(dp->drv.p->dpy, dp->drv.p->window, 0, NULL);
- XSetForeground(dp->drv.p->dpy, dp->drv.p->gc, dp->drv.p->colors[0x888]);
- XSetFont(dp->drv.p->dpy, dp->drv.p->gc, dp->drv.p->font);
-
- for(;;)
- {
- XEvent xevent;
- XNextEvent(dp->drv.p->dpy, &xevent);
- if(xevent.type == MapNotify)
- break;
- }
-
- #if defined(HAVE_X11_XKBLIB_H)
- /* Disable autorepeat */
- XkbSetDetectableAutoRepeat(dp->drv.p->dpy, True, &dp->drv.p->autorepeat);
- if(!dp->drv.p->autorepeat)
- XAutoRepeatOff(dp->drv.p->dpy);
- #endif
-
- dp->drv.p->event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask
- | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask
- | ExposureMask;
-
- XSelectInput(dp->drv.p->dpy, dp->drv.p->window, dp->drv.p->event_mask);
-
- XSync(dp->drv.p->dpy, False);
-
- dp->drv.p->pixmap = XCreatePixmap(dp->drv.p->dpy, dp->drv.p->window,
- width * dp->drv.p->font_width,
- height * dp->drv.p->font_height,
- DefaultDepth(dp->drv.p->dpy,
- DefaultScreen(dp->drv.p->dpy)));
- dp->drv.p->pointer = None;
-
- dp->drv.p->cursor_flags = 0;
- dp->drv.p->dirty_cursor_x = -1;
- dp->drv.p->dirty_cursor_y = -1;
-
- return 0;
- }
-
- static int x11_end_graphics(caca_display_t *dp)
- {
- XSync(dp->drv.p->dpy, False);
- #if defined(HAVE_X11_XKBLIB_H)
- if(!dp->drv.p->autorepeat)
- XAutoRepeatOn(dp->drv.p->dpy);
- #endif
- XFreePixmap(dp->drv.p->dpy, dp->drv.p->pixmap);
- XFreeFont(dp->drv.p->dpy, dp->drv.p->font_struct);
- XFreeGC(dp->drv.p->dpy, dp->drv.p->gc);
- XUnmapWindow(dp->drv.p->dpy, dp->drv.p->window);
- XDestroyWindow(dp->drv.p->dpy, dp->drv.p->window);
- XCloseDisplay(dp->drv.p->dpy);
-
- free(dp->drv.p);
-
- return 0;
- }
-
- static int x11_set_display_title(caca_display_t *dp, char const *title)
- {
- XStoreName(dp->drv.p->dpy, dp->drv.p->window, title);
- return 0;
- }
-
- static int x11_get_display_width(caca_display_t const *dp)
- {
- return caca_get_canvas_width(dp->cv) * dp->drv.p->font_width;
- }
-
- static int x11_get_display_height(caca_display_t const *dp)
- {
- return caca_get_canvas_height(dp->cv) * dp->drv.p->font_height;
- }
-
- static void x11_display(caca_display_t *dp)
- {
- uint32_t const *cvchars = (uint32_t const *)caca_get_canvas_chars(dp->cv);
- uint32_t const *cvattrs = (uint32_t const *)caca_get_canvas_attrs(dp->cv);
- int width = caca_get_canvas_width(dp->cv);
- int height = caca_get_canvas_height(dp->cv);
- int x, y, i, len;
-
- /* XXX: the magic value -1 is used to handle the cursor area */
- for(i = -1; i < caca_get_dirty_rect_count(dp->cv); i++)
- {
- int dx, dy, dw, dh;
-
- /* Get the dirty rectangle coordinates, either from the previous
- * cursor position, or from the canvas's list. */
- if(i == -1)
- {
- if(dp->drv.p->dirty_cursor_x < 0 || dp->drv.p->dirty_cursor_y < 0
- || dp->drv.p->dirty_cursor_x >= width
- || dp->drv.p->dirty_cursor_y >= height)
- continue;
-
- dx = dp->drv.p->dirty_cursor_x;
- dy = dp->drv.p->dirty_cursor_y;
- dw = dh = 1;
-
- dp->drv.p->dirty_cursor_x = -1;
- dp->drv.p->dirty_cursor_y = -1;
- }
- else
- {
- caca_get_dirty_rect(dp->cv, i, &dx, &dy, &dw, &dh);
- }
-
- /* First draw the background colours. Splitting the process in two
- * loops like this is actually slightly faster. */
- for(y = dy; y < dy + dh; y++)
- {
- for(x = dx; x < dx + dw; x += len)
- {
- uint32_t const *attrs = cvattrs + x + y * width;
- uint16_t bg = caca_attr_to_rgb12_bg(*attrs);
-
- len = 1;
- while(x + len < dx + dw
- && caca_attr_to_rgb12_bg(attrs[len]) == bg)
- len++;
-
- XSetForeground(dp->drv.p->dpy, dp->drv.p->gc,
- dp->drv.p->colors[bg]);
- XFillRectangle(dp->drv.p->dpy, dp->drv.p->pixmap,
- dp->drv.p->gc,
- x * dp->drv.p->font_width,
- y * dp->drv.p->font_height,
- len * dp->drv.p->font_width,
- dp->drv.p->font_height);
- }
- }
-
- /* Then print the foreground characters */
- for(y = dy; y < dy + dh; y++)
- {
- int yoff = (y + 1) * dp->drv.p->font_height
- - dp->drv.p->font_offset;
- uint32_t const *chars = cvchars + dx + y * width;
- uint32_t const *attrs = cvattrs + dx + y * width;
-
- for(x = dx; x < dx + dw; x++, chars++, attrs++)
- {
- XSetForeground(dp->drv.p->dpy, dp->drv.p->gc,
- dp->drv.p->colors[caca_attr_to_rgb12_fg(*attrs)]);
-
- x11_put_glyph(dp, x * dp->drv.p->font_width,
- y * dp->drv.p->font_height, yoff,
- dp->drv.p->font_width, dp->drv.p->font_height,
- *attrs, *chars);
- }
- }
- }
-
- /* Print the cursor if necessary. */
- if(dp->drv.p->cursor_flags)
- {
- XSetForeground(dp->drv.p->dpy, dp->drv.p->gc,
- dp->drv.p->colors[0xfff]);
- x = caca_wherex(dp->cv);
- y = caca_wherey(dp->cv);
- XFillRectangle(dp->drv.p->dpy, dp->drv.p->pixmap, dp->drv.p->gc,
- x * dp->drv.p->font_width, y * dp->drv.p->font_height,
- dp->drv.p->font_width, dp->drv.p->font_height);
-
- /* Mark the area as dirty */
- dp->drv.p->dirty_cursor_x = x;
- dp->drv.p->dirty_cursor_y = y;
- }
-
- XCopyArea(dp->drv.p->dpy, dp->drv.p->pixmap, dp->drv.p->window,
- dp->drv.p->gc, 0, 0,
- width * dp->drv.p->font_width,
- height * dp->drv.p->font_height,
- 0, 0);
- XFlush(dp->drv.p->dpy);
- }
-
- static void x11_handle_resize(caca_display_t *dp)
- {
- Pixmap new_pixmap;
-
- new_pixmap = XCreatePixmap(dp->drv.p->dpy, dp->drv.p->window,
- dp->resize.w * dp->drv.p->font_width,
- dp->resize.h * dp->drv.p->font_height,
- DefaultDepth(dp->drv.p->dpy,
- DefaultScreen(dp->drv.p->dpy)));
- XCopyArea(dp->drv.p->dpy, dp->drv.p->pixmap, new_pixmap,
- dp->drv.p->gc, 0, 0,
- dp->resize.w * dp->drv.p->font_width,
- dp->resize.h * dp->drv.p->font_height, 0, 0);
- XFreePixmap(dp->drv.p->dpy, dp->drv.p->pixmap);
- dp->drv.p->pixmap = new_pixmap;
- }
-
- static int x11_get_event(caca_display_t *dp, caca_privevent_t *ev)
- {
- int width = caca_get_canvas_width(dp->cv);
- int height = caca_get_canvas_height(dp->cv);
- XEvent xevent;
- char key;
-
- while(XCheckWindowEvent(dp->drv.p->dpy, dp->drv.p->window,
- dp->drv.p->event_mask, &xevent) == True)
- {
- KeySym keysym;
-
- /* Expose event */
- if(xevent.type == Expose)
- {
- XCopyArea(dp->drv.p->dpy, dp->drv.p->pixmap,
- dp->drv.p->window, dp->drv.p->gc, 0, 0,
- width * dp->drv.p->font_width,
- height * dp->drv.p->font_height, 0, 0);
- continue;
- }
-
- /* Resize event */
- if(xevent.type == ConfigureNotify)
- {
- int w, h;
-
- w = (xevent.xconfigure.width + dp->drv.p->font_width / 3)
- / dp->drv.p->font_width;
- h = (xevent.xconfigure.height + dp->drv.p->font_height / 3)
- / dp->drv.p->font_height;
-
- if(!w || !h || (w == width && h == height))
- continue;
-
- dp->resize.w = w;
- dp->resize.h = h;
- dp->resize.resized = 1;
-
- continue;
- }
-
- /* Check for mouse motion events */
- if(xevent.type == MotionNotify)
- {
- int newx = xevent.xmotion.x / dp->drv.p->font_width;
- int newy = xevent.xmotion.y / dp->drv.p->font_height;
-
- if(newx >= width)
- newx = width - 1;
- if(newy >= height)
- newy = height - 1;
-
- if(dp->mouse.x == newx && dp->mouse.y == newy)
- continue;
-
- dp->mouse.x = newx;
- dp->mouse.y = newy;
-
- ev->type = CACA_EVENT_MOUSE_MOTION;
- ev->data.mouse.x = dp->mouse.x;
- ev->data.mouse.y = dp->mouse.y;
- return 1;
- }
-
- /* Check for mouse press and release events */
- if(xevent.type == ButtonPress)
- {
- ev->type = CACA_EVENT_MOUSE_PRESS;
- ev->data.mouse.button = ((XButtonEvent *)&xevent)->button;
- return 1;
- }
-
- if(xevent.type == ButtonRelease)
- {
- ev->type = CACA_EVENT_MOUSE_RELEASE;
- ev->data.mouse.button = ((XButtonEvent *)&xevent)->button;
- return 1;
- }
-
- /* Check for key press and release events */
- if(xevent.type == KeyPress)
- ev->type = CACA_EVENT_KEY_PRESS;
- else if(xevent.type == KeyRelease)
- ev->type = CACA_EVENT_KEY_RELEASE;
- else
- continue;
-
- if(XLookupString(&xevent.xkey, &key, 1, NULL, NULL))
- {
- ev->data.key.ch = key;
- ev->data.key.utf32 = key;
- ev->data.key.utf8[0] = key;
- ev->data.key.utf8[1] = '\0';
- return 1;
- }
-
- keysym = XKeycodeToKeysym(dp->drv.p->dpy, xevent.xkey.keycode, 0);
- switch(keysym)
- {
- case XK_F1: ev->data.key.ch = CACA_KEY_F1; break;
- case XK_F2: ev->data.key.ch = CACA_KEY_F2; break;
- case XK_F3: ev->data.key.ch = CACA_KEY_F3; break;
- case XK_F4: ev->data.key.ch = CACA_KEY_F4; break;
- case XK_F5: ev->data.key.ch = CACA_KEY_F5; break;
- case XK_F6: ev->data.key.ch = CACA_KEY_F6; break;
- case XK_F7: ev->data.key.ch = CACA_KEY_F7; break;
- case XK_F8: ev->data.key.ch = CACA_KEY_F8; break;
- case XK_F9: ev->data.key.ch = CACA_KEY_F9; break;
- case XK_F10: ev->data.key.ch = CACA_KEY_F10; break;
- case XK_F11: ev->data.key.ch = CACA_KEY_F11; break;
- case XK_F12: ev->data.key.ch = CACA_KEY_F12; break;
- case XK_F13: ev->data.key.ch = CACA_KEY_F13; break;
- case XK_F14: ev->data.key.ch = CACA_KEY_F14; break;
- case XK_F15: ev->data.key.ch = CACA_KEY_F15; break;
- case XK_Left: ev->data.key.ch = CACA_KEY_LEFT; break;
- case XK_Right: ev->data.key.ch = CACA_KEY_RIGHT; break;
- case XK_Up: ev->data.key.ch = CACA_KEY_UP; break;
- case XK_Down: ev->data.key.ch = CACA_KEY_DOWN; break;
- case XK_KP_Page_Up:
- case XK_Page_Up: ev->data.key.ch = CACA_KEY_PAGEUP; break;
- case XK_KP_Page_Down:
- case XK_Page_Down: ev->data.key.ch = CACA_KEY_PAGEDOWN; break;
- case XK_KP_Home:
- case XK_Home: ev->data.key.ch = CACA_KEY_HOME; break;
- case XK_KP_End:
- case XK_End: ev->data.key.ch = CACA_KEY_END; break;
-
- default: ev->type = CACA_EVENT_NONE; return 0;
- }
-
- ev->data.key.utf32 = 0;
- ev->data.key.utf8[0] = '\0';
- return 1;
- }
-
- while(XCheckTypedEvent(dp->drv.p->dpy, ClientMessage, &xevent))
- {
- if(xevent.xclient.message_type != dp->drv.p->wm_protocols)
- continue;
-
- if((Atom)xevent.xclient.data.l[0] == dp->drv.p->wm_delete_window)
- {
- ev->type = CACA_EVENT_QUIT;
- return 1;
- }
- }
-
- ev->type = CACA_EVENT_NONE;
- return 0;
- }
-
- static void x11_set_mouse(caca_display_t *dp, int flags)
- {
- Cursor no_ptr;
- Pixmap bm_no;
- XColor black, dummy;
- Colormap colormap;
- static char const empty[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
-
- if(flags)
- {
- XDefineCursor(dp->drv.p->dpy,dp->drv.p->window, 0);
- return;
- }
-
- colormap = DefaultColormap(dp->drv.p->dpy, DefaultScreen(dp->drv.p->dpy));
- if(!XAllocNamedColor(dp->drv.p->dpy, colormap, "black", &black, &dummy))
- {
- return;
- }
- bm_no = XCreateBitmapFromData(dp->drv.p->dpy, dp->drv.p->window,
- empty, 8, 8);
- no_ptr = XCreatePixmapCursor(dp->drv.p->dpy, bm_no, bm_no,
- &black, &black, 0, 0);
- XDefineCursor(dp->drv.p->dpy, dp->drv.p->window, no_ptr);
- XFreeCursor(dp->drv.p->dpy, no_ptr);
- if(bm_no != None)
- XFreePixmap(dp->drv.p->dpy, bm_no);
- XFreeColors(dp->drv.p->dpy, colormap, &black.pixel, 1, 0);
-
- XSync(dp->drv.p->dpy, False);
- }
-
- static void x11_set_cursor(caca_display_t *dp, int flags)
- {
- dp->drv.p->cursor_flags = flags;
- }
-
- /*
- * XXX: following functions are local
- */
-
- static int x11_error_handler(Display *dpy, XErrorEvent *xevent)
- {
- /* Ignore the error */
- return 0;
- }
-
- static void x11_put_glyph(caca_display_t *dp, int x, int y, int yoff,
- int w, int h, uint32_t attr, uint32_t ch)
- {
- static uint8_t const udlr[] =
- {
- /* 0x2500 - 0x250f: ─ . │ . . . . . . . . . ┌ . . . */
- 0x05, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
- /* 0x2510 - 0x251f: ┐ . . . └ . . . ┘ . . . ├ . . . */
- 0x14, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x00,
- 0x44, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, 0x00,
- /* 0x2520 - 0x252f: . . . . ┤ . . . . . . . ┬ . . . */
- 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
- /* 0x2530 - 0x253f: . . . . ┴ . . . . . . . ┼ . . . */
- 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00,
- /* 0x2540 - 0x254f: . . . . . . . . . . . . . . . . */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- /* 0x2550 - 0x255f: ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ */
- 0x0a, 0xa0, 0x12, 0x21, 0x22, 0x18, 0x24, 0x28,
- 0x42, 0x81, 0x82, 0x48, 0x84, 0x88, 0x52, 0xa1,
- /* 0x2560 - 0x256c: ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ */
- 0xa2, 0x58, 0xa4, 0xa8, 0x1a, 0x25, 0x2a, 0x4a,
- 0x85, 0x8a, 0x5a, 0xa5, 0xaa,
- };
-
- Display *dpy = dp->drv.p->dpy;
- Pixmap px = dp->drv.p->pixmap;
- GC gc = dp->drv.p->gc;
- int fw;
- XChar2b ch16;
-
- /* Underline */
- if(attr & CACA_UNDERLINE)
- XFillRectangle(dpy, px, gc, x, y + h - 1, w, 1);
-
- /* Skip spaces and magic stuff */
- if(ch <= 0x00000020)
- return;
-
- if(ch == CACA_MAGIC_FULLWIDTH)
- return;
-
- fw = w;
- if(caca_utf32_is_fullwidth(ch))
- fw *= 2;
-
- /* We want to be able to print a few special Unicode characters
- * such as the CP437 gradients and half blocks. For unknown
- * characters, print what caca_utf32_to_ascii() returns. */
-
- if(ch >= 0x2500 && ch <= 0x256c && udlr[ch - 0x2500])
- {
- uint16_t D = udlr[ch - 0x2500];
-
- if(D & 0x04)
- XFillRectangle(dpy, px, gc, x, y + h / 2, fw / 2 + 1, 1);
-
- if(D & 0x01)
- XFillRectangle(dpy, px, gc,
- x + fw / 2, y + h / 2, (fw + 1) / 2, 1);
-
- if(D & 0x40)
- XFillRectangle(dpy, px, gc, x + fw / 2, y, 1, h / 2 + 1);
-
- if(D & 0x10)
- XFillRectangle(dpy, px, gc, x + fw / 2, y + h / 2, 1, (h + 1) / 2);
-
- #define STEPIF(a,b) (D&(a)?-1:(D&(b))?1:0)
-
- if(D & 0x08)
- {
- XFillRectangle(dpy, px, gc, x, y - 1 + h / 2,
- fw / 2 + 1 + STEPIF(0xc0,0x20), 1);
- XFillRectangle(dpy, px, gc, x, y + 1 + h / 2,
- fw / 2 + 1 + STEPIF(0x30,0x80), 1);
- }
-
- if(D & 0x02)
- {
- XFillRectangle(dpy, px, gc, x - STEPIF(0xc0,0x20) + fw / 2,
- y - 1 + h / 2, (fw + 1) / 2 + STEPIF(0xc0,0x20), 1);
- XFillRectangle(dpy, px, gc, x - STEPIF(0x30,0x80) + fw / 2,
- y + 1 + h / 2, (fw + 1) / 2 + STEPIF(0x30,0x80), 1);
- }
-
- if(D & 0x80)
- {
- XFillRectangle(dpy, px, gc, x - 1 + fw / 2, y,
- 1, h / 2 + 1 + STEPIF(0x0c,0x02));
- XFillRectangle(dpy, px, gc, x + 1 + fw / 2, y,
- 1, h / 2 + 1 + STEPIF(0x03,0x08));
- }
-
- if(D & 0x20)
- {
- XFillRectangle(dpy, px, gc, x - 1 + fw / 2,
- y - STEPIF(0x0c,0x02) + h / 2,
- 1, (h + 1) / 2 + STEPIF(0x0c,0x02));
- XFillRectangle(dpy, px, gc, x + 1 + fw / 2,
- y - STEPIF(0x03,0x08) + h / 2,
- 1, (h + 1) / 2 + STEPIF(0x03,0x08));
- }
-
- return;
- }
-
- switch(ch)
- {
- case 0x000000b7: /* · */
- case 0x00002219: /* ∙ */
- case 0x000030fb: /* ・ */
- XFillRectangle(dpy, px, gc, x + fw / 2 - 1, y + h / 2 - 1, 2, 2);
- return;
-
- case 0x00002261: /* ≡ */
- XFillRectangle(dpy, px, gc, x + 1, y - 2 + h / 2, fw - 1, 1);
- XFillRectangle(dpy, px, gc, x + 1, y + h / 2, fw - 1, 1);
- XFillRectangle(dpy, px, gc, x + 1, y + 2 + h / 2, fw - 1, 1);
- return;
-
- case 0x00002580: /* ▀ */
- XFillRectangle(dpy, px, gc, x, y, fw, h / 2);
- return;
-
- case 0x00002584: /* ▄ */
- XFillRectangle(dpy, px, gc, x, y + h - h / 2, fw, h / 2);
- return;
-
- case 0x00002588: /* █ */
- case 0x000025ae: /* ▮ */
- XFillRectangle(dpy, px, gc, x, y, fw, h);
- return;
-
- case 0x0000258c: /* ▌ */
- XFillRectangle(dpy, px, gc, x, y, fw / 2, h);
- return;
-
- case 0x00002590: /* ▐ */
- XFillRectangle(dpy, px, gc, x + fw - fw / 2, y, fw / 2, h);
- return;
-
- case 0x000025a0: /* ■ */
- case 0x000025ac: /* ▬ */
- XFillRectangle(dpy, px, gc, x, y + h / 4, fw, h / 2);
- return;
-
- case 0x00002593: /* ▓ */
- case 0x00002592: /* ▒ */
- case 0x00002591: /* ░ */
- {
- /* FIXME: this sucks utterly */
- int i, j, k = ch - 0x00002591;
- for(j = h; j--; )
- for(i = fw; i--; )
- {
- if(((i + 2 * (j & 1)) & 3) > k)
- continue;
-
- XDrawPoint(dpy, px, gc, x + i, y + j);
- }
- return;
- }
-
- case 0x000025cb: /* ○ */
- case 0x00002022: /* • */
- case 0x000025cf: /* ● */
- {
- int d, xo, yo;
-
- d = fw >> (~ch & 0x1); /* XXX: hack */
- if(h < fw)
- d = h;
- if(d < 1)
- d = 1;
- xo = (fw - d) / 2;
- yo = (h - d) / 2;
- if(ch == 0x000025cb)
- XDrawArc(dpy, px, gc, x + xo, y + yo, d, d, 0, 64 * 360);
- else
- XFillArc(dpy, px, gc, x + xo, y + yo, d, d, 0, 64 * 360);
- return;
- }
- }
-
- if(ch >= 0x00000020 && ch <= dp->drv.p->max_char)
- {
- /* ascii, latin-1 or unicode font (might draw a blank square) */
- ch16.byte1 = (ch) >> 8;
- ch16.byte2 = (ch) & 0xff;
- }
- else
- {
- ch16.byte1 = 0;
- ch16.byte2 = caca_utf32_to_ascii(ch);
- }
-
- XDrawString16(dpy, px, gc, x + (ch16.byte1 ? 0 : (fw - w) / 2), yoff, &ch16, 1);
- }
-
- /*
- * Driver initialisation
- */
-
- int x11_install(caca_display_t *dp)
- {
- #if defined(HAVE_GETENV)
- if(!getenv("DISPLAY") || !*(getenv("DISPLAY")))
- return -1;
- #endif
-
- dp->drv.id = CACA_DRIVER_X11;
- dp->drv.driver = "x11";
-
- dp->drv.init_graphics = x11_init_graphics;
- dp->drv.end_graphics = x11_end_graphics;
- dp->drv.set_display_title = x11_set_display_title;
- dp->drv.get_display_width = x11_get_display_width;
- dp->drv.get_display_height = x11_get_display_height;
- dp->drv.display = x11_display;
- dp->drv.handle_resize = x11_handle_resize;
- dp->drv.get_event = x11_get_event;
- dp->drv.set_mouse = x11_set_mouse;
- dp->drv.set_cursor = x11_set_cursor;
-
- return 0;
- }
-
- #endif /* USE_X11 */
-
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